Stratosphere, definition of

Stratosphere

Second layer of the atmosphere, extending from about 19 to 48 kilometers (12 to 30 miles) above the earth's surface. It contains small amounts of gaseous ozone (O3), which filters out about 99 percent of the incoming harmful ultraviolet (UV) radiation. Most commercial airline flights operate at a cruising
altitude in the lower stratosphere.

EcoWho Articles where 'Stratosphere' used:
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What is Stratosphere?
Stratosphere definition.
About Stratosphere.

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